diff --git a/Frechet_distance/include/CGAL/Frechet_distance/internal/geometry_basics.h b/Frechet_distance/include/CGAL/Frechet_distance/internal/geometry_basics.h
index b9c2bde2b35..6f8275d4267 100644
--- a/Frechet_distance/include/CGAL/Frechet_distance/internal/geometry_basics.h
+++ b/Frechet_distance/include/CGAL/Frechet_distance/internal/geometry_basics.h
@@ -404,7 +404,7 @@ struct Interval {
     Lambda<C> end;
 
   Interval()
-    : begin(1.), end(0.)
+    : begin(1), end(0)
   {}
 
   Interval(Lambda<C> const& begin, Lambda<C> const& end)